← Catalan Opening

Practice: Catalan with ...Bb4+

Black checks before blocking the centre

Black inserts ...Bb4+ before settling the bishop on e7. This forces White to block with Bd2, slightly delaying the fianchetto. A subtle but important alternative for Black.

1. d4 Nf6
2. c4 e6
3. Nf3 d5
4. g3 Bb4+
5. Bd2 Be7
6. Bg2 O-O
7. O-O c6
8. Qc2 b6
9. Nc3 Bb7
10. e4 dxe4
11. Nxe4 Nxe4
12. Qxe4 Nd7
♟

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Key strategic ideas

  • The Bg2 bishop is the star of the Catalan — it pressures d5 and supports both central and queenside expansion.
  • White often recaptures on c4 with the bishop (Bxc4) in the Open Catalan, keeping the diagonal open.
  • The Catalan is ideal for players who prefer long-term positional pressure over immediate tactics.

Common mistakes & traps

  • In the Open Catalan (4...dxc4 5.Bg2), Black should not try to cling to the c4 pawn with ...b5 — White plays a4 and the queenside becomes a target.
  • A common Catalan trap: 1.d4 d5 2.c4 e6 3.Nf3 Nf6 4.g3 dxc4 5.Bg2 c5 6.O-O Nc6 7.Qa4!, winning the pawn back immediately.

Pawn structure notes

The Catalan often features an isolated queen pawn for Black (after ...dxc4 and ...c5) or a symmetrical structure with White having the bishop pair. The g2 bishop is the key piece, influencing the centre from afar.

Tips

  • The ...Bb4+ check forces White to use a tempo on Bd2, which can matter in some lines
  • After 5...Be7, the position resembles the Closed Catalan but with White's bishop on d2
  • A practical choice that can catch Catalan specialists off guard

About this line

This line is rated intermediate. Practice it repeatedly until you can play the entire sequence without thinking. The in-app trainer tracks your perfect streaks and celebrates milestones.